Update of /cvsroot/alsa/alsa-kernel/pci/rme9652
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv16790
Modified Files:
hdsp.c
Log Message:
Martin Bjoernsen:
- set the PCI latency timer to 255 for fixing some misbehavior.
Index: hdsp.c
===================================================================
RCS file: /cvsroot/alsa/alsa-kernel/pci/rme9652/hdsp.c,v
retrieving revision 1.50
retrieving revision 1.51
diff -u -r1.50 -r1.51
--- hdsp.c 21 Jan 2004 18:32:48 -0000 1.50
+++ hdsp.c 26 Jan 2004 15:07:31 -0000 1.51
@@ -4982,6 +4982,16 @@
tasklet_init(&hdsp->midi_tasklet, hdsp_midi_tasklet, (unsigned long)hdsp);
pci_read_config_word(hdsp->pci, PCI_CLASS_REVISION, &hdsp->firmware_rev);
+
+ /* From Martin Bjoernsen :
+ "It is important that the card's latency timer register in
+ the PCI configuration space is set to a value much larger
+ than 0 by the computer's BIOS or the driver.
+ The windows driver always sets this 8 bit register [...]
+ to its maximum 255 to avoid problems with some computers."
+ */
+ pci_write_config_byte(hdsp->pci, PCI_LATENCY_TIMER, 0xFF);
+
strcpy(card->driver, "H-DSP");
strcpy(card->mixername, "Xilinx FPGA");
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